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参数资料
| 型号： | TSS461E-TDRA-9 |
| 厂商： | ATMEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | VAN Data Link Controller |
| 中文描述： | 1 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDSO24 |
| 封装： | SOP-24 |
| 文件页数： | 7/57页 |
| 文件大小： | 817K |
| 代理商： | TSS461E-TDRA-9 |
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7
TSS461E
4194B–AUTO–12/04
Figure 3.
Intel Read and Write Cycles
Motorola Mode
In Motorola mode, the WR pin becomes the R/W command, the RD pin must be con-
nected to ground and the CS pin becomes the E strobe. There is no separate chip select
input. For example, if some external decoder is used, this decoder should not drive the
E input high unless the processors E output is high as well.
See Figure 4 for the Motorola read and write cycles. The main difference between Intel
and Motorola mode is that the timing in Intel mode is referenced to the command signals
(RD and WR), but in Motorola mode the reference is the E signal.
Figure 4.
Motorola Read and Write Cycles
Interrupts
If an event occurs in the TSS461E, that needs the attention of the processor, this will be
signalled on the active low, open-drain interrupt request pin. The events that create this
request is controlled by the internal registers.
Every time the microprocessor accesses any of the interrupt registers (addresses 0x08
to 0x0B), the INT pin will be released momentarily. This enables the TSS461E to work
with processors that have either edge or level sensitive interrupt inputs.
ALE
AD[7:0]
RD
WR
CS
ADDRESS
DA
TA
TO
BE
WRITTEN
ADDRESS
DA
T
A
READ
WRITE CYCLE
READ CYCLE
ALE
AD[7:0]
VSS (RD)
R/W (WR)
E (CS)
ADDRESS
DATA TO BE
WRITTEN
ADDRESS
DATA
READ
WRITE CYCLE
READ CYCLE
相关PDF资料 |
PDF描述 |
|---|---|
| TSS461E-TERA-9 | VAN Data Link Controller |
| TSS461E-TRDZ-9 | VAN Data Link Controller |
| TSS461F | VAN Data Link Controller |
| TSS463-AAR | VAN Data Link Controller with Serial Interface |
| TSS463A-TERZ | VAN Data Link Controller with Serial Interface |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TSS461E-TDRZ-9 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:VAN Data Link Controller |
| TSS461E-TDSA-9 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:VAN Data Link Controller |
| TSS461E-TERA-9 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:VAN Data Link Controller |
| TSS461E-TRDZ-9 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:VAN Data Link Controller |
| TSS461F | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:VAN Data Link Controller |
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